胎: foetus; embryo腔: cavity; chamber胶: glue; gum封顶: capped ingot; capping; closed top; seal the top; sealing-top避震机顶胶: nbsp; rubber bushing胎腔宽度: belly width封顶钢: plugged steel封顶角: opposite angle自封顶: self-topping半封顶锭模: semiclosed top mold; semiclosed top mould封顶钢锭: capped ingot封顶利率: capped rate封顶收费: cafee; volume discount arrangements封顶水平: level of cap封顶仪式: top ping-out ceremony封盖；封顶；盖子: cap拱圈封顶: closure of arch ring跪撑封顶: elbow block and sprawl化学封顶钢: chemical ca ed steel; chemical capped steel; chemically capped steel机械封顶钢: mechanically capped steel尖拱法封顶: closure by wedging-in crown上不封顶: chain debts; set no ceiling limit and give no minimum guarantee封顶（沸腾）钢，压盖（沸腾）: capped steel千斤顶法封顶: closure by jacking and sealing-off crown纸箱封顶盖机: carton top sealer
